Eaton DH163UWKN DC Disconnect - UL Listed, NEMA 4X
Part Number: DH163UWKN
Quick Summary
Eaton DH163UWKN DC disconnect provides safe single-pole DC disconnection for industrial power and solar DC systems. Users seek reliable, code-compliant hardware that minimizes downtime during maintenance and fault events. This unit delivers UL-listed protection, NEMA 4X corrosion resistance in 304 stainless steel, and 600 VDC capability. In practice, it reduces maintenance cycles and supports compliant installation with factory-installed neutral assemblies. Primary applications include industrial controls, data centers, and solar PV DC circuits where reliability matters. The rugged 304 stainless enclosure meets harsh environments, and the 100 A rating fits common DC distribution schemes. Designed for straightforward installation, it supports plug-in neutral assemblies and complies with UL listings.
Product Information
Extended Description
DH163UWKN Eaton: Eaton DC disconnect, Single-throw, 100 A, NEMA 4X, 304 Stainless steel, Class R fuses, Non-Fusible, Single-pole, One-wire, 20 at 250 Vdc
Product Name
Eaton DC disconnect
Catalog Number
DH163UWKN
UPC
786685375793
Product Length/Depth
10.22 in
Product Height
24.95 in
Product Width
11.79 in
Product Weight
28 lb
Warranty
Eaton Selling Policy 25-000, one (1) year from the date of installation of the Product or eighteen (18) months from the date of shipment of the Product, whichever occurs first.
Certifications
UL Listed
Special features
Neutral assemblies factory installed
Type
Single-throw
Amperage Rating
100A
Number of circuits
1
Protection
Non-fusible
Number of poles
Single-pole
Voltage rating
600 VDC
Enclosure
NEMA 4X
Enclosure material
304 stainless steel
Fuse configuration
Non-fusible
Protection
Non-fusible
DC disconnects for 600VDC solar photovoltaic installations (single circuit)
Commercial Distribution, Switching Devices, Volume 2, Tab 1
Switching Devices Flex Center
Switching Devices Flex Center
Eaton Specification Sheet - DH163UWKN
Feature: UL-listed 600 VDC protection at 100 A in a single-pole, non-fusible DC disconnect. Business Impact: Ensures regulatory compliance and safer isolation with predictable performance, reducing incident-related downtime. Application: Industrial controls and solar DC rails. Feature: NEMA 4X enclosure in 304 stainless steel with corrosion resistance. Business Impact: Suitable for outdoor, wash-down, or harsh manufacturing environments, extending service life and lowering replacement costs. Application: Outdoor panels and corrosive-site DC installations. Feature: Neutral assemblies factory installed. Business Impact: Speeds wiring, minimizes field assembly errors, and reduces commissioning time. Application: DC power distribution and control panels. Feature: Compact, geometry-friendly footprint (10.22 in depth, 11.79 in width, 24.95 in height) and 28 lb weight. Business Impact: Easier integration into existing enclosures and switchgear without rework. Application: Vehicle or rack-mountable DC systems and tight-panel spaces. Feature: 1-year Eaton warranty and UL-listed reliability. Business Impact: Lower total cost of ownership through predictable support and audit-friendly documentation. Application: Procurement and QA processes across industrial facilities. Feature: Non-fusible protection configuration. Business Impact: Reduces fuse maintenance and simplifies stocking for DC distribution schemes. Application: Long-term maintenance cycles in industrial or solar DC installations.
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FAQs
Install the DH163UWKN in a protected or outdoor-rated area using its NEMA 4X 304 stainless steel enclosure. Plan for a single-pole, 100 A circuit at up to 600 VDC, with factory-installed neutral assemblies to simplify wiring. Ensure clearance and mounting in accordance with UL Listed guidelines, and provide proper bonding to the system ground.
Key electrical specs include a 100 A amperage rating, single-pole, non-fusible, and a 600 VDC voltage rating. The unit is a single-throw DC disconnect with one circuit, housed in a NEMA 4X enclosure made of 304 stainless steel. It is UL Listed, supports factory-installed neutral assemblies, and is designed for use with non-fuse protection schemes.
The DH163UWKN is well-suited for industrial controls, solar PV installations, and data centers where robust DC isolation is required. Its corrosion-resistant stainless enclosure supports outdoor or wash-down environments, while the 100 A rating and 600 VDC capability align with common DC distribution schemes. The unit's neutral assemblies simplify panel wiring and reduce installation time.
The DH163UWKN is UL Listed and features a NEMA 4X enclosure in 304 stainless steel, ensuring robust protection against moisture, dust, and corrosive environments. This combination supports compliance with typical electrical safety codes for outdoor or harsh-site DC installations. For additional documentation, refer to Eaton's specification sheet and the DC disconnects catalog.
The DH163UWKN offers measurable ROI through reduced maintenance and faster commissioning. Its UL-listed reliability, NEMA 4X enclosure, and 304 stainless steel construction resist corrosion in challenging environments, lowering replacement costs. Factory-installed neutral assemblies speed wiring, while a non-fusible 100 A, 600 VDC design minimizes fuse maintenance and helps maintain uptime in DC distribution schemes.